1) Support the phone or camera to keep it still. Use a tripod, tape the phone to a box, or find another way to avoid the jiggle of hand-held video. This will also prevent the tendency to follow the motion with the camera.
2) Record the event in a ...
ChromeOS has fairly aggressive power management that often cannot be adjusted. If the Chromebook sleeps during long-duration data collection you will lose data. We have seen Chromebooks sleep as soon as after six minutes. Both the Chrome packaged ap...
Go Direct® EKG Sensor (GDX-EKG)
Specifications and User Guide
Troubleshooting
General: Press the power button on the sensor to turn it on. Connect your sensor as described in the Getting Started instructions for your devic...
Go Direct® Colorimeter (GDX-COL)—current version
This version first shipped in 2018 and is currently shipping.
The sensor connects via USB or Bluetooth. No interface is required.
Sensor User Manual
Color...
The KidWind video on the KidWind Small Water Pump with Tubing (KW-PUMP) reports the minimum voltage as 1.7 volts and 50 mA. We have operated the pump at up to 5 volts.
The specifications sheet from the manufacturer lists:
Rated voltage: 3.0 V/D...
There are two generators associated with the KidWind Wind Experiment Kits.
Both the KidWind Basic Wind Experiment Kit (KW-BWX) and the KidWind Advanced Wind Experiment Kit (KW-AWX) and the associated classroom packs come with the KidWind Wind Tur...
Vernier sells three different categories of pH sensor depending on the type of pH electrode used: standard, tris-compatible flat pH, and glass-body pH. Use the images to determine which sensor you have.Note: The dates indicate the approximate time f...
The following options are available when collecting absorbance data: to display a full color backdrop, to display a thin strip of color along the X-axis, and to display no color on the graph. The default is the full color backdrop in Absorbance or %...
The Go Direct® Acceleration Sensor (GDX-ACC) is sized to fit inside some rocket tubes.
The Centuri Standard Tube ST-11 and the Estes Body Tube BT-55 are the smallest body tubes that will hold the Go Direct Acceleration. The sensor can be place...
Go! Motion (GO-MOT)
Specifications and User Guide
Which Motion Detector model do I have?
Troubleshooting
Primary test: When you start data collection, do you hear a clicking from the Go!Motion? If not, the sensor may...